This is a special edition designed to be compatible with the "Mix and Match" collections. Hundreds of possible combinations. Blocks come in 4 sizes: 4.8", 5.8", 6.8" and 7.8". Each collection includes file format - ART, PES, HUS, XXX JEF, EXP, DST, VIP, PXF, VP3 and tutorials, catalog and design color sheets. By Anita Goodesign